occupancy detection accuracy

#1
mmWave occupancy sensing is repeatedly described as more accurate than standard motion sensing and capable of noticing still presence in a room.
#2
Occupancy sensing is described as working well, with reviews saying it detects presence or works as advertised.
#3
Occupancy detection is generally praised as accurate and improved, though one reviewer still saw occasional missed presence when entering from a specific direction.
#4
A reviewer found thermostat-only motion sensing could misread occupancy and think the home was empty.